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首页> 外文会议>Symposium of the International Academy of Astronautics >LEO TECHNOGENEOUS CONTAMINANTS EVOLUTION MODELING WITH ACCOUNT OF SATELLITES COLLISIONS
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LEO TECHNOGENEOUS CONTAMINANTS EVOLUTION MODELING WITH ACCOUNT OF SATELLITES COLLISIONS

机译：Leo Technoceous污染物进化建模与卫星碰撞

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1. The technique of space debris evolution modeling based on the continua approach is developed, which takes into account the consequences of collisions of objects of different sizes. The evolution model includes the following major components: the fragmentation model for high-speed impacts, the model evaluating the average collision consequences, the calculation of the matrix of SO mutual collisions probabilities and the numerical algorithm for solving differential equations in partial derivatives. 2. The estimations of the mean contribution of SO collisions into catalogued SD environment are made. The objects sizing larger than 0.1 cm at altitudes up to 2000 km are considered. It is found that the maximal contribution of collisions is reached in the altitude range of 800-1000 km with account of all mutual collisions and is equal now to 33% of the general contamination level of this high-altitude layer by particles sizing 0.25-0.5 sm. 3. The topical directions of further research are aimed at decreasing the lower boundary of the considered particles sizes by 1 - 2 orders of magnitude and accounting of the collisions of technogeneous objects with micrometeorites.
机译：制定了基于Continua方法的空间碎片演进建模技术，这考虑了不同尺寸的物体碰撞的后果。进化模型包括以下主要组成部分：高速影响的碎片模型，模型评估平均碰撞后果，计算如此相互冲突概率的矩阵和用于求解部分衍生物的微分方程的数值算法。 2.制作了对所编目的SD环境碰撞的平均贡献的估计。考虑到高于2000公里的高度大于0.1厘米的物体大于0.1厘米。发现碰撞的最大贡献在800-1000公里的高度范围内达到了所有相互冲突，并且现在通过粒子尺寸为0.25-0.5的粒子的普通污染水平的33％。 SM。 3.进一步研究的局部方向旨在将所考虑的粒子尺寸的较低边界降低1 - 2级数量阶数，并用微晶对象的碰撞核对。

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